Comments: Whatever method of application is used, the water repellent must be applied until the surface is saturated: the repellent should drip down 30 or 40 cm.
评论无论方法的应用是什么防水必须适用,直至表面饱和,滴灌的涂应下跌30或40厘米。
Please leave 2.5 cm left and right margins so that the marker has some space for comments.
请留下2.5厘米左,右页边距,使标记的意见有一定的空间。
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